xref: /openbmc/linux/arch/x86/include/asm/hyperv-tlfs.h (revision 6396bb221514d2876fd6dc0aa2a1f240d99b37bb)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 
3 /*
4  * This file contains definitions from Hyper-V Hypervisor Top-Level Functional
5  * Specification (TLFS):
6  * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs
7  */
8 
9 #ifndef _ASM_X86_HYPERV_TLFS_H
10 #define _ASM_X86_HYPERV_TLFS_H
11 
12 #include <linux/types.h>
13 
14 /*
15  * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
16  * is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
17  */
18 #define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS	0x40000000
19 #define HYPERV_CPUID_INTERFACE			0x40000001
20 #define HYPERV_CPUID_VERSION			0x40000002
21 #define HYPERV_CPUID_FEATURES			0x40000003
22 #define HYPERV_CPUID_ENLIGHTMENT_INFO		0x40000004
23 #define HYPERV_CPUID_IMPLEMENT_LIMITS		0x40000005
24 #define HYPERV_CPUID_NESTED_FEATURES		0x4000000A
25 
26 #define HYPERV_HYPERVISOR_PRESENT_BIT		0x80000000
27 #define HYPERV_CPUID_MIN			0x40000005
28 #define HYPERV_CPUID_MAX			0x4000ffff
29 
30 /*
31  * Feature identification. EAX indicates which features are available
32  * to the partition based upon the current partition privileges.
33  */
34 
35 /* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */
36 #define HV_X64_MSR_VP_RUNTIME_AVAILABLE		(1 << 0)
37 /* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/
38 #define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE	(1 << 1)
39 /* Partition reference TSC MSR is available */
40 #define HV_X64_MSR_REFERENCE_TSC_AVAILABLE              (1 << 9)
41 
42 /* A partition's reference time stamp counter (TSC) page */
43 #define HV_X64_MSR_REFERENCE_TSC		0x40000021
44 
45 /*
46  * There is a single feature flag that signifies if the partition has access
47  * to MSRs with local APIC and TSC frequencies.
48  */
49 #define HV_X64_ACCESS_FREQUENCY_MSRS		(1 << 11)
50 
51 /* AccessReenlightenmentControls privilege */
52 #define HV_X64_ACCESS_REENLIGHTENMENT		BIT(13)
53 
54 /*
55  * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
56  * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available
57  */
58 #define HV_X64_MSR_SYNIC_AVAILABLE		(1 << 2)
59 /*
60  * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through
61  * HV_X64_MSR_STIMER3_COUNT) available
62  */
63 #define HV_X64_MSR_SYNTIMER_AVAILABLE		(1 << 3)
64 /*
65  * APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR)
66  * are available
67  */
68 #define HV_X64_MSR_APIC_ACCESS_AVAILABLE	(1 << 4)
69 /* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/
70 #define HV_X64_MSR_HYPERCALL_AVAILABLE		(1 << 5)
71 /* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/
72 #define HV_X64_MSR_VP_INDEX_AVAILABLE		(1 << 6)
73 /* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/
74 #define HV_X64_MSR_RESET_AVAILABLE		(1 << 7)
75  /*
76   * Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE,
77   * HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE,
78   * HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available
79   */
80 #define HV_X64_MSR_STAT_PAGES_AVAILABLE		(1 << 8)
81 
82 /* Frequency MSRs available */
83 #define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE	(1 << 8)
84 
85 /* Crash MSR available */
86 #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
87 
88 /* stimer Direct Mode is available */
89 #define HV_X64_STIMER_DIRECT_MODE_AVAILABLE	(1 << 19)
90 
91 /*
92  * Feature identification: EBX indicates which flags were specified at
93  * partition creation. The format is the same as the partition creation
94  * flag structure defined in section Partition Creation Flags.
95  */
96 #define HV_X64_CREATE_PARTITIONS		(1 << 0)
97 #define HV_X64_ACCESS_PARTITION_ID		(1 << 1)
98 #define HV_X64_ACCESS_MEMORY_POOL		(1 << 2)
99 #define HV_X64_ADJUST_MESSAGE_BUFFERS		(1 << 3)
100 #define HV_X64_POST_MESSAGES			(1 << 4)
101 #define HV_X64_SIGNAL_EVENTS			(1 << 5)
102 #define HV_X64_CREATE_PORT			(1 << 6)
103 #define HV_X64_CONNECT_PORT			(1 << 7)
104 #define HV_X64_ACCESS_STATS			(1 << 8)
105 #define HV_X64_DEBUGGING			(1 << 11)
106 #define HV_X64_CPU_POWER_MANAGEMENT		(1 << 12)
107 #define HV_X64_CONFIGURE_PROFILER		(1 << 13)
108 
109 /*
110  * Feature identification. EDX indicates which miscellaneous features
111  * are available to the partition.
112  */
113 /* The MWAIT instruction is available (per section MONITOR / MWAIT) */
114 #define HV_X64_MWAIT_AVAILABLE				(1 << 0)
115 /* Guest debugging support is available */
116 #define HV_X64_GUEST_DEBUGGING_AVAILABLE		(1 << 1)
117 /* Performance Monitor support is available*/
118 #define HV_X64_PERF_MONITOR_AVAILABLE			(1 << 2)
119 /* Support for physical CPU dynamic partitioning events is available*/
120 #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE	(1 << 3)
121 /*
122  * Support for passing hypercall input parameter block via XMM
123  * registers is available
124  */
125 #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE		(1 << 4)
126 /* Support for a virtual guest idle state is available */
127 #define HV_X64_GUEST_IDLE_STATE_AVAILABLE		(1 << 5)
128 /* Guest crash data handler available */
129 #define HV_X64_GUEST_CRASH_MSR_AVAILABLE		(1 << 10)
130 
131 /*
132  * Implementation recommendations. Indicates which behaviors the hypervisor
133  * recommends the OS implement for optimal performance.
134  */
135  /*
136   * Recommend using hypercall for address space switches rather
137   * than MOV to CR3 instruction
138   */
139 #define HV_X64_AS_SWITCH_RECOMMENDED		(1 << 0)
140 /* Recommend using hypercall for local TLB flushes rather
141  * than INVLPG or MOV to CR3 instructions */
142 #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED	(1 << 1)
143 /*
144  * Recommend using hypercall for remote TLB flushes rather
145  * than inter-processor interrupts
146  */
147 #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED	(1 << 2)
148 /*
149  * Recommend using MSRs for accessing APIC registers
150  * EOI, ICR and TPR rather than their memory-mapped counterparts
151  */
152 #define HV_X64_APIC_ACCESS_RECOMMENDED		(1 << 3)
153 /* Recommend using the hypervisor-provided MSR to initiate a system RESET */
154 #define HV_X64_SYSTEM_RESET_RECOMMENDED		(1 << 4)
155 /*
156  * Recommend using relaxed timing for this partition. If used,
157  * the VM should disable any watchdog timeouts that rely on the
158  * timely delivery of external interrupts
159  */
160 #define HV_X64_RELAXED_TIMING_RECOMMENDED	(1 << 5)
161 
162 /*
163  * Virtual APIC support
164  */
165 #define HV_X64_DEPRECATING_AEOI_RECOMMENDED	(1 << 9)
166 
167 /*
168  * Recommend using cluster IPI hypercalls.
169  */
170 #define HV_X64_CLUSTER_IPI_RECOMMENDED         (1 << 10)
171 
172 /* Recommend using the newer ExProcessorMasks interface */
173 #define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED	(1 << 11)
174 
175 /* Recommend using enlightened VMCS */
176 #define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED    (1 << 14)
177 
178 /*
179  * Crash notification flag.
180  */
181 #define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
182 
183 /* MSR used to identify the guest OS. */
184 #define HV_X64_MSR_GUEST_OS_ID			0x40000000
185 
186 /* MSR used to setup pages used to communicate with the hypervisor. */
187 #define HV_X64_MSR_HYPERCALL			0x40000001
188 
189 /* MSR used to provide vcpu index */
190 #define HV_X64_MSR_VP_INDEX			0x40000002
191 
192 /* MSR used to reset the guest OS. */
193 #define HV_X64_MSR_RESET			0x40000003
194 
195 /* MSR used to provide vcpu runtime in 100ns units */
196 #define HV_X64_MSR_VP_RUNTIME			0x40000010
197 
198 /* MSR used to read the per-partition time reference counter */
199 #define HV_X64_MSR_TIME_REF_COUNT		0x40000020
200 
201 /* MSR used to retrieve the TSC frequency */
202 #define HV_X64_MSR_TSC_FREQUENCY		0x40000022
203 
204 /* MSR used to retrieve the local APIC timer frequency */
205 #define HV_X64_MSR_APIC_FREQUENCY		0x40000023
206 
207 /* Define the virtual APIC registers */
208 #define HV_X64_MSR_EOI				0x40000070
209 #define HV_X64_MSR_ICR				0x40000071
210 #define HV_X64_MSR_TPR				0x40000072
211 #define HV_X64_MSR_VP_ASSIST_PAGE		0x40000073
212 
213 /* Define synthetic interrupt controller model specific registers. */
214 #define HV_X64_MSR_SCONTROL			0x40000080
215 #define HV_X64_MSR_SVERSION			0x40000081
216 #define HV_X64_MSR_SIEFP			0x40000082
217 #define HV_X64_MSR_SIMP				0x40000083
218 #define HV_X64_MSR_EOM				0x40000084
219 #define HV_X64_MSR_SINT0			0x40000090
220 #define HV_X64_MSR_SINT1			0x40000091
221 #define HV_X64_MSR_SINT2			0x40000092
222 #define HV_X64_MSR_SINT3			0x40000093
223 #define HV_X64_MSR_SINT4			0x40000094
224 #define HV_X64_MSR_SINT5			0x40000095
225 #define HV_X64_MSR_SINT6			0x40000096
226 #define HV_X64_MSR_SINT7			0x40000097
227 #define HV_X64_MSR_SINT8			0x40000098
228 #define HV_X64_MSR_SINT9			0x40000099
229 #define HV_X64_MSR_SINT10			0x4000009A
230 #define HV_X64_MSR_SINT11			0x4000009B
231 #define HV_X64_MSR_SINT12			0x4000009C
232 #define HV_X64_MSR_SINT13			0x4000009D
233 #define HV_X64_MSR_SINT14			0x4000009E
234 #define HV_X64_MSR_SINT15			0x4000009F
235 
236 /*
237  * Synthetic Timer MSRs. Four timers per vcpu.
238  */
239 #define HV_X64_MSR_STIMER0_CONFIG		0x400000B0
240 #define HV_X64_MSR_STIMER0_COUNT		0x400000B1
241 #define HV_X64_MSR_STIMER1_CONFIG		0x400000B2
242 #define HV_X64_MSR_STIMER1_COUNT		0x400000B3
243 #define HV_X64_MSR_STIMER2_CONFIG		0x400000B4
244 #define HV_X64_MSR_STIMER2_COUNT		0x400000B5
245 #define HV_X64_MSR_STIMER3_CONFIG		0x400000B6
246 #define HV_X64_MSR_STIMER3_COUNT		0x400000B7
247 
248 /* Hyper-V guest crash notification MSR's */
249 #define HV_X64_MSR_CRASH_P0			0x40000100
250 #define HV_X64_MSR_CRASH_P1			0x40000101
251 #define HV_X64_MSR_CRASH_P2			0x40000102
252 #define HV_X64_MSR_CRASH_P3			0x40000103
253 #define HV_X64_MSR_CRASH_P4			0x40000104
254 #define HV_X64_MSR_CRASH_CTL			0x40000105
255 #define HV_X64_MSR_CRASH_CTL_NOTIFY		(1ULL << 63)
256 #define HV_X64_MSR_CRASH_PARAMS		\
257 		(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0))
258 
259 /*
260  * Declare the MSR used to setup pages used to communicate with the hypervisor.
261  */
262 union hv_x64_msr_hypercall_contents {
263 	u64 as_uint64;
264 	struct {
265 		u64 enable:1;
266 		u64 reserved:11;
267 		u64 guest_physical_address:52;
268 	};
269 };
270 
271 /*
272  * TSC page layout.
273  */
274 struct ms_hyperv_tsc_page {
275 	volatile u32 tsc_sequence;
276 	u32 reserved1;
277 	volatile u64 tsc_scale;
278 	volatile s64 tsc_offset;
279 	u64 reserved2[509];
280 };
281 
282 /*
283  * The guest OS needs to register the guest ID with the hypervisor.
284  * The guest ID is a 64 bit entity and the structure of this ID is
285  * specified in the Hyper-V specification:
286  *
287  * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
288  *
289  * While the current guideline does not specify how Linux guest ID(s)
290  * need to be generated, our plan is to publish the guidelines for
291  * Linux and other guest operating systems that currently are hosted
292  * on Hyper-V. The implementation here conforms to this yet
293  * unpublished guidelines.
294  *
295  *
296  * Bit(s)
297  * 63 - Indicates if the OS is Open Source or not; 1 is Open Source
298  * 62:56 - Os Type; Linux is 0x100
299  * 55:48 - Distro specific identification
300  * 47:16 - Linux kernel version number
301  * 15:0  - Distro specific identification
302  *
303  *
304  */
305 
306 #define HV_LINUX_VENDOR_ID              0x8100
307 
308 /* TSC emulation after migration */
309 #define HV_X64_MSR_REENLIGHTENMENT_CONTROL	0x40000106
310 
311 struct hv_reenlightenment_control {
312 	__u64 vector:8;
313 	__u64 reserved1:8;
314 	__u64 enabled:1;
315 	__u64 reserved2:15;
316 	__u64 target_vp:32;
317 };
318 
319 #define HV_X64_MSR_TSC_EMULATION_CONTROL	0x40000107
320 #define HV_X64_MSR_TSC_EMULATION_STATUS		0x40000108
321 
322 struct hv_tsc_emulation_control {
323 	__u64 enabled:1;
324 	__u64 reserved:63;
325 };
326 
327 struct hv_tsc_emulation_status {
328 	__u64 inprogress:1;
329 	__u64 reserved:63;
330 };
331 
332 #define HV_X64_MSR_HYPERCALL_ENABLE		0x00000001
333 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT	12
334 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK	\
335 		(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
336 
337 #define HV_IPI_LOW_VECTOR	0x10
338 #define HV_IPI_HIGH_VECTOR	0xff
339 
340 /* Declare the various hypercall operations. */
341 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE	0x0002
342 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST	0x0003
343 #define HVCALL_NOTIFY_LONG_SPIN_WAIT		0x0008
344 #define HVCALL_SEND_IPI				0x000b
345 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX  0x0013
346 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX   0x0014
347 #define HVCALL_SEND_IPI_EX			0x0015
348 #define HVCALL_POST_MESSAGE			0x005c
349 #define HVCALL_SIGNAL_EVENT			0x005d
350 
351 #define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE	0x00000001
352 #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT	12
353 #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK	\
354 		(~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1))
355 
356 /* Hyper-V Enlightened VMCS version mask in nested features CPUID */
357 #define HV_X64_ENLIGHTENED_VMCS_VERSION		0xff
358 
359 #define HV_X64_MSR_TSC_REFERENCE_ENABLE		0x00000001
360 #define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT	12
361 
362 #define HV_PROCESSOR_POWER_STATE_C0		0
363 #define HV_PROCESSOR_POWER_STATE_C1		1
364 #define HV_PROCESSOR_POWER_STATE_C2		2
365 #define HV_PROCESSOR_POWER_STATE_C3		3
366 
367 #define HV_FLUSH_ALL_PROCESSORS			BIT(0)
368 #define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES	BIT(1)
369 #define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY	BIT(2)
370 #define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT	BIT(3)
371 
372 enum HV_GENERIC_SET_FORMAT {
373 	HV_GENERIC_SET_SPARSE_4K,
374 	HV_GENERIC_SET_ALL,
375 };
376 
377 #define HV_HYPERCALL_RESULT_MASK	GENMASK_ULL(15, 0)
378 #define HV_HYPERCALL_FAST_BIT		BIT(16)
379 #define HV_HYPERCALL_VARHEAD_OFFSET	17
380 #define HV_HYPERCALL_REP_COMP_OFFSET	32
381 #define HV_HYPERCALL_REP_COMP_MASK	GENMASK_ULL(43, 32)
382 #define HV_HYPERCALL_REP_START_OFFSET	48
383 #define HV_HYPERCALL_REP_START_MASK	GENMASK_ULL(59, 48)
384 
385 /* hypercall status code */
386 #define HV_STATUS_SUCCESS			0
387 #define HV_STATUS_INVALID_HYPERCALL_CODE	2
388 #define HV_STATUS_INVALID_HYPERCALL_INPUT	3
389 #define HV_STATUS_INVALID_ALIGNMENT		4
390 #define HV_STATUS_INVALID_PARAMETER		5
391 #define HV_STATUS_INSUFFICIENT_MEMORY		11
392 #define HV_STATUS_INVALID_PORT_ID		17
393 #define HV_STATUS_INVALID_CONNECTION_ID		18
394 #define HV_STATUS_INSUFFICIENT_BUFFERS		19
395 
396 typedef struct _HV_REFERENCE_TSC_PAGE {
397 	__u32 tsc_sequence;
398 	__u32 res1;
399 	__u64 tsc_scale;
400 	__s64 tsc_offset;
401 } HV_REFERENCE_TSC_PAGE, *PHV_REFERENCE_TSC_PAGE;
402 
403 /* Define the number of synthetic interrupt sources. */
404 #define HV_SYNIC_SINT_COUNT		(16)
405 /* Define the expected SynIC version. */
406 #define HV_SYNIC_VERSION_1		(0x1)
407 /* Valid SynIC vectors are 16-255. */
408 #define HV_SYNIC_FIRST_VALID_VECTOR	(16)
409 
410 #define HV_SYNIC_CONTROL_ENABLE		(1ULL << 0)
411 #define HV_SYNIC_SIMP_ENABLE		(1ULL << 0)
412 #define HV_SYNIC_SIEFP_ENABLE		(1ULL << 0)
413 #define HV_SYNIC_SINT_MASKED		(1ULL << 16)
414 #define HV_SYNIC_SINT_AUTO_EOI		(1ULL << 17)
415 #define HV_SYNIC_SINT_VECTOR_MASK	(0xFF)
416 
417 #define HV_SYNIC_STIMER_COUNT		(4)
418 
419 /* Define synthetic interrupt controller message constants. */
420 #define HV_MESSAGE_SIZE			(256)
421 #define HV_MESSAGE_PAYLOAD_BYTE_COUNT	(240)
422 #define HV_MESSAGE_PAYLOAD_QWORD_COUNT	(30)
423 
424 /* Define hypervisor message types. */
425 enum hv_message_type {
426 	HVMSG_NONE			= 0x00000000,
427 
428 	/* Memory access messages. */
429 	HVMSG_UNMAPPED_GPA		= 0x80000000,
430 	HVMSG_GPA_INTERCEPT		= 0x80000001,
431 
432 	/* Timer notification messages. */
433 	HVMSG_TIMER_EXPIRED			= 0x80000010,
434 
435 	/* Error messages. */
436 	HVMSG_INVALID_VP_REGISTER_VALUE	= 0x80000020,
437 	HVMSG_UNRECOVERABLE_EXCEPTION	= 0x80000021,
438 	HVMSG_UNSUPPORTED_FEATURE		= 0x80000022,
439 
440 	/* Trace buffer complete messages. */
441 	HVMSG_EVENTLOG_BUFFERCOMPLETE	= 0x80000040,
442 
443 	/* Platform-specific processor intercept messages. */
444 	HVMSG_X64_IOPORT_INTERCEPT		= 0x80010000,
445 	HVMSG_X64_MSR_INTERCEPT		= 0x80010001,
446 	HVMSG_X64_CPUID_INTERCEPT		= 0x80010002,
447 	HVMSG_X64_EXCEPTION_INTERCEPT	= 0x80010003,
448 	HVMSG_X64_APIC_EOI			= 0x80010004,
449 	HVMSG_X64_LEGACY_FP_ERROR		= 0x80010005
450 };
451 
452 /* Define synthetic interrupt controller message flags. */
453 union hv_message_flags {
454 	__u8 asu8;
455 	struct {
456 		__u8 msg_pending:1;
457 		__u8 reserved:7;
458 	};
459 };
460 
461 /* Define port identifier type. */
462 union hv_port_id {
463 	__u32 asu32;
464 	struct {
465 		__u32 id:24;
466 		__u32 reserved:8;
467 	} u;
468 };
469 
470 /* Define synthetic interrupt controller message header. */
471 struct hv_message_header {
472 	__u32 message_type;
473 	__u8 payload_size;
474 	union hv_message_flags message_flags;
475 	__u8 reserved[2];
476 	union {
477 		__u64 sender;
478 		union hv_port_id port;
479 	};
480 };
481 
482 /* Define synthetic interrupt controller message format. */
483 struct hv_message {
484 	struct hv_message_header header;
485 	union {
486 		__u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
487 	} u;
488 };
489 
490 /* Define the synthetic interrupt message page layout. */
491 struct hv_message_page {
492 	struct hv_message sint_message[HV_SYNIC_SINT_COUNT];
493 };
494 
495 /* Define timer message payload structure. */
496 struct hv_timer_message_payload {
497 	__u32 timer_index;
498 	__u32 reserved;
499 	__u64 expiration_time;	/* When the timer expired */
500 	__u64 delivery_time;	/* When the message was delivered */
501 };
502 
503 /* Define virtual processor assist page structure. */
504 struct hv_vp_assist_page {
505 	__u32 apic_assist;
506 	__u32 reserved;
507 	__u64 vtl_control[2];
508 	__u64 nested_enlightenments_control[2];
509 	__u32 enlighten_vmentry;
510 	__u64 current_nested_vmcs;
511 };
512 
513 struct hv_enlightened_vmcs {
514 	u32 revision_id;
515 	u32 abort;
516 
517 	u16 host_es_selector;
518 	u16 host_cs_selector;
519 	u16 host_ss_selector;
520 	u16 host_ds_selector;
521 	u16 host_fs_selector;
522 	u16 host_gs_selector;
523 	u16 host_tr_selector;
524 
525 	u64 host_ia32_pat;
526 	u64 host_ia32_efer;
527 
528 	u64 host_cr0;
529 	u64 host_cr3;
530 	u64 host_cr4;
531 
532 	u64 host_ia32_sysenter_esp;
533 	u64 host_ia32_sysenter_eip;
534 	u64 host_rip;
535 	u32 host_ia32_sysenter_cs;
536 
537 	u32 pin_based_vm_exec_control;
538 	u32 vm_exit_controls;
539 	u32 secondary_vm_exec_control;
540 
541 	u64 io_bitmap_a;
542 	u64 io_bitmap_b;
543 	u64 msr_bitmap;
544 
545 	u16 guest_es_selector;
546 	u16 guest_cs_selector;
547 	u16 guest_ss_selector;
548 	u16 guest_ds_selector;
549 	u16 guest_fs_selector;
550 	u16 guest_gs_selector;
551 	u16 guest_ldtr_selector;
552 	u16 guest_tr_selector;
553 
554 	u32 guest_es_limit;
555 	u32 guest_cs_limit;
556 	u32 guest_ss_limit;
557 	u32 guest_ds_limit;
558 	u32 guest_fs_limit;
559 	u32 guest_gs_limit;
560 	u32 guest_ldtr_limit;
561 	u32 guest_tr_limit;
562 	u32 guest_gdtr_limit;
563 	u32 guest_idtr_limit;
564 
565 	u32 guest_es_ar_bytes;
566 	u32 guest_cs_ar_bytes;
567 	u32 guest_ss_ar_bytes;
568 	u32 guest_ds_ar_bytes;
569 	u32 guest_fs_ar_bytes;
570 	u32 guest_gs_ar_bytes;
571 	u32 guest_ldtr_ar_bytes;
572 	u32 guest_tr_ar_bytes;
573 
574 	u64 guest_es_base;
575 	u64 guest_cs_base;
576 	u64 guest_ss_base;
577 	u64 guest_ds_base;
578 	u64 guest_fs_base;
579 	u64 guest_gs_base;
580 	u64 guest_ldtr_base;
581 	u64 guest_tr_base;
582 	u64 guest_gdtr_base;
583 	u64 guest_idtr_base;
584 
585 	u64 padding64_1[3];
586 
587 	u64 vm_exit_msr_store_addr;
588 	u64 vm_exit_msr_load_addr;
589 	u64 vm_entry_msr_load_addr;
590 
591 	u64 cr3_target_value0;
592 	u64 cr3_target_value1;
593 	u64 cr3_target_value2;
594 	u64 cr3_target_value3;
595 
596 	u32 page_fault_error_code_mask;
597 	u32 page_fault_error_code_match;
598 
599 	u32 cr3_target_count;
600 	u32 vm_exit_msr_store_count;
601 	u32 vm_exit_msr_load_count;
602 	u32 vm_entry_msr_load_count;
603 
604 	u64 tsc_offset;
605 	u64 virtual_apic_page_addr;
606 	u64 vmcs_link_pointer;
607 
608 	u64 guest_ia32_debugctl;
609 	u64 guest_ia32_pat;
610 	u64 guest_ia32_efer;
611 
612 	u64 guest_pdptr0;
613 	u64 guest_pdptr1;
614 	u64 guest_pdptr2;
615 	u64 guest_pdptr3;
616 
617 	u64 guest_pending_dbg_exceptions;
618 	u64 guest_sysenter_esp;
619 	u64 guest_sysenter_eip;
620 
621 	u32 guest_activity_state;
622 	u32 guest_sysenter_cs;
623 
624 	u64 cr0_guest_host_mask;
625 	u64 cr4_guest_host_mask;
626 	u64 cr0_read_shadow;
627 	u64 cr4_read_shadow;
628 	u64 guest_cr0;
629 	u64 guest_cr3;
630 	u64 guest_cr4;
631 	u64 guest_dr7;
632 
633 	u64 host_fs_base;
634 	u64 host_gs_base;
635 	u64 host_tr_base;
636 	u64 host_gdtr_base;
637 	u64 host_idtr_base;
638 	u64 host_rsp;
639 
640 	u64 ept_pointer;
641 
642 	u16 virtual_processor_id;
643 	u16 padding16[3];
644 
645 	u64 padding64_2[5];
646 	u64 guest_physical_address;
647 
648 	u32 vm_instruction_error;
649 	u32 vm_exit_reason;
650 	u32 vm_exit_intr_info;
651 	u32 vm_exit_intr_error_code;
652 	u32 idt_vectoring_info_field;
653 	u32 idt_vectoring_error_code;
654 	u32 vm_exit_instruction_len;
655 	u32 vmx_instruction_info;
656 
657 	u64 exit_qualification;
658 	u64 exit_io_instruction_ecx;
659 	u64 exit_io_instruction_esi;
660 	u64 exit_io_instruction_edi;
661 	u64 exit_io_instruction_eip;
662 
663 	u64 guest_linear_address;
664 	u64 guest_rsp;
665 	u64 guest_rflags;
666 
667 	u32 guest_interruptibility_info;
668 	u32 cpu_based_vm_exec_control;
669 	u32 exception_bitmap;
670 	u32 vm_entry_controls;
671 	u32 vm_entry_intr_info_field;
672 	u32 vm_entry_exception_error_code;
673 	u32 vm_entry_instruction_len;
674 	u32 tpr_threshold;
675 
676 	u64 guest_rip;
677 
678 	u32 hv_clean_fields;
679 	u32 hv_padding_32;
680 	u32 hv_synthetic_controls;
681 	u32 hv_enlightenments_control;
682 	u32 hv_vp_id;
683 
684 	u64 hv_vm_id;
685 	u64 partition_assist_page;
686 	u64 padding64_4[4];
687 	u64 guest_bndcfgs;
688 	u64 padding64_5[7];
689 	u64 xss_exit_bitmap;
690 	u64 padding64_6[7];
691 };
692 
693 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE			0
694 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP		BIT(0)
695 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP		BIT(1)
696 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2		BIT(2)
697 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1		BIT(3)
698 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC		BIT(4)
699 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT		BIT(5)
700 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY		BIT(6)
701 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN		BIT(7)
702 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR			BIT(8)
703 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT		BIT(9)
704 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC		BIT(10)
705 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1		BIT(11)
706 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2		BIT(12)
707 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER		BIT(13)
708 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1		BIT(14)
709 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL	BIT(15)
710 
711 #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL			0xFFFF
712 
713 #define HV_STIMER_ENABLE		(1ULL << 0)
714 #define HV_STIMER_PERIODIC		(1ULL << 1)
715 #define HV_STIMER_LAZY			(1ULL << 2)
716 #define HV_STIMER_AUTOENABLE		(1ULL << 3)
717 #define HV_STIMER_SINT(config)		(__u8)(((config) >> 16) & 0x0F)
718 
719 struct ipi_arg_non_ex {
720 	u32 vector;
721 	u32 reserved;
722 	u64 cpu_mask;
723 };
724 
725 struct hv_vpset {
726 	u64 format;
727 	u64 valid_bank_mask;
728 	u64 bank_contents[];
729 };
730 
731 struct ipi_arg_ex {
732 	u32 vector;
733 	u32 reserved;
734 	struct hv_vpset vp_set;
735 };
736 
737 #endif
738